User Guide Modem 3460

3460 Fast’R
B-4
Y Send Longspace Before Disconnecting
Y0 =Off
Y1 =On. The modem disconnects when it receives space
longer than 1.6 seconds. When terminating a call, the
modem sends continuous space for 4 seconds.
Z Load Option Set Into RAM
The new option set takes effect immediately.
Z0, Z1
=Load Option Set 1
Z2 =Load Option Set 2
*
Commands
*
AC Automatic Call Unit (ACU) Protocol
0 =None (use this option with leased line)
When configuring the modem for V.25bis synchronous
direct-dial operation (DTR Control=Tail or 108.1,
AT&D4 or AT&D5), you must use this option.
1=AT ACU
2 =V.25bis ACU
*
AP Adaptive Rate
0 =Disable
1 =Enable. The modem monitors telephone line signal
quality and negotiates the highest possible rate for a
modem’s modulation mode. You must enable Retrain
(AT
*
RT) to use Adaptive Rate.
*
AR V.34 Asymmetric Rate
0 =Disable
1 =Enable
*
AS Answer in Restoral
0
=LL Fail
1 =Always
AT Command Set (continued)
Command Option Description
The characters AT or at precede all commands except: +++, #####, and A/
Parameters and options shown shaded gray vary by country. For your country’s options,
refer to the 3460 Fast’R Reference Guide (T0022).
Default (pre-set) options are underlined.